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a6e1445c44
x86 ACPI devices which ship with only Android as their factory image usually declare a whole bunch of bogus I2C devices in their ACPI tables. Instantiating I2C clients for these bogus devices causes various issues, e.g. GPIO/IRQ resource conflicts because sometimes drivers do bind to them. The Android x86 kernel fork shipped on these devices has some special code to remove these bogus devices, instead of just fixing the DSDT <sigh>. Use the new acpi_quirk_skip_i2c_client_enumeration() helper to identify known boards / acpi devices with this issue, and skip enumerating these. Note these boards typically do actually have I2C devices, just different ones then the ones described in their DSDT. The devices which are actually present are manually instantiated by the drivers/platform/x86/x86-android-tablets.c kernel module. Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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| ipc | ||
| kernel | ||
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| .cocciconfig | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.